Chapter 3 - Amount of substance Flashcards
1
Q
A mole
A
The amount of a substance that contains as many elemental particles as there are atoms in exactly 12g of 12C
2
Q
Empirical formula
A
A whole number ratio of the elements in a substance
3
Q
Molecular formula
A
The exact number of each element in a substance
4
Q
Water of Crystalisation
A
Water that is contained within the structure of a salt crystal
5
Q
Hydrated salt
A
A salt that contains water of crystalisation
6
Q
Anhydrous salt
A
A salt that contains no water of crystalisation
7
Q
Solution
A
A dissolved mixture (aq)
8
Q
Solvent
A
A substance that dissolves solutes (usually water)
9
Q
Solute
A
A substance that is dissolved in a solvent
